EDJ1104BBSE, EDJ1108BBSE, EDJ1116BBSE
IDD1 Measurement-Loop Pattern
CK,
/CK
Sub Cycle
Com-
A11
A7
A3
A0
Data*2
CKE
-Loop number mand /CS /RAS /CAS /WE ODT BA*3 -A13 A10 -A9 -A6 -A2
0
ACT
D, D
0
1
0
0
1
1
0
1
1
0
1
0
0
0
0
0
0
00
00
00
0
0
0
0
0
0
0
0
0
0
0
0
1, 2
3, 4
…
/D, /D 1
Repeat pattern 1...4 until nRCD − 1, truncate if necessary
READ 0 00
Repeat pattern 1...4 until nRAS − 1, truncate if necessary
nRCD
…
1
0
1
0
0
0
0
0
0
0
0
00000000
nRAS
PRE
0
0
1
0
0
0
00
0
0
…
Repeat pattern 1...4 until nRC − 1, truncate if necessary
1 × nRC
ACT
D, D
0
1
0
0
1
1
0
1
1
0
1
0
0
0
0
0
0
00
00
00
0
0
0
0
0
0
F
F
F
0
0
0
+ 0
0
1 × nRC
+ 1, 2
1 × nRC
+ 3, 4
/D, /D 1
Toggling Static H
...
Repeat pattern nRC + 1,..., 4 until nRC + nRCD − 1, truncate if necessary
READ 0 00
Repeat pattern nRC + 1,..., 4 until nRC +nRAS − 1, truncate if necessary
PRE 00
Repeat pattern nRC + 1,..., 4 until 2 * nRC − 1, truncate if necessary
1 × nRC
+ nRCD
...
1 × nRC
+ nRAS
…
1
0
1
0
0
0
0
F
0
00110011
0
0
1
0
0
0
0
0
F
0
1
2
3
4
5
6
7
2 × nRC Repeat Sub-Loop 0, use BA= 1 instead
4 × nRC Repeat Sub-Loop 0, use BA= 2 instead
6 × nRC Repeat Sub-Loop 0, use BA= 3 instead
8 × nRC Repeat Sub-Loop 0, use BA= 4 instead
10 × nRC Repeat Sub-Loop 0, use BA= 5 instead
12 × nRC Repeat Sub-Loop 0, use BA= 6 instead
14 × nRC Repeat Sub-Loop 0, use BA= 7 instead
Notes: 1. DM must be driven low all the time. DQS, /DQS are used according to read commands, otherwise
FLOATING.
2. Burst sequence driven on each DQ signal by read command. Outside burst operation, DQ signals
are FLOATING.
3. BA: BA0 to BA2.
Data Sheet E1375E50 (Ver. 5.0)
39